SDP codepoints for gateway control

Document Type Expired Internet-Draft (individual)
Authors Albrecht Schwarz  , Christian Groves 
Last updated 2016-11-14 (latest revision 2016-05-02)
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SDP is used in many signalling protocols at call control level (such as SAP, SIP, BICC), bearer control level (such as RTSP, IPBCP) and gateway control level (such as H.248/MEGACO, MGCP). Scope of this RFC is related to gateway control specific SDP usage. Gateway control protocols do NOT usually define and introduce any new SDP parameters, however, gateway control protocols need specific SDP parameter values in addition to those defined at call or bearer control level. Such SDP codepoints are collected by this RFC with the purpose of registration with IANA.


Albrecht Schwarz (
Christian Groves (

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